A:
Positive:
1 x 247241155 x 494482313 x 190185547 x 52604565 x 380371235 x 105209611 x 404653055 x 8093
Negative:
-1 x -24724115-5 x -4944823-13 x -1901855-47 x -526045-65 x -380371-235 x -105209-611 x -40465-3055 x -8093
Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 24,724,115, it is easier to work with a table - it's called factoring from the outside in.
We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.
| 1 | 24,724,115 | |
| -1 | -24,724,115 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 24,724,115.
Example:
1 x 24,724,115 = 24,724,115
and
-1 x -24,724,115 = 24,724,115
Notice both answers equal 24,724,115
With that explanation out of the way, let's continue. Next, we take the number 24,724,115 and divide it by 2:
24,724,115 ÷ 2 = 12,362,057.5
If the quotient is a whole number, then 2 and 12,362,057.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 24,724,115 | |
| -1 | -24,724,115 |
Now, we try dividing 24,724,115 by 3:
24,724,115 ÷ 3 = 8,241,371.6667
If the quotient is a whole number, then 3 and 8,241,371.6667 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 24,724,115 | |
| -1 | -24,724,115 |
Let's try dividing by 4:
24,724,115 ÷ 4 = 6,181,028.75
If the quotient is a whole number, then 4 and 6,181,028.75 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 24,724,115 | |
| -1 | 24,724,115 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 47 | 65 | 235 | 611 | 3,055 | 8,093 | 40,465 | 105,209 | 380,371 | 526,045 | 1,901,855 | 4,944,823 | 24,724,115 |
| -1 | -5 | -13 | -47 | -65 | -235 | -611 | -3,055 | -8,093 | -40,465 | -105,209 | -380,371 | -526,045 | -1,901,855 | -4,944,823 | -24,724,115 |
Here are some more numbers to try:
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